Bags and sacks, plastic, by use, Plastic products, Chemicals, Pharmaceuticals & Plastics, Envelopes, plastic, for mailing, Sheet protectors and sleeves, plastic, Document envelopes and bags, plastic, Bags and envelopes, plastic, for the transport of valuables, Enveloppes plastiques pour courrier, Produits en plastique, Chimie, Plastique, Santé